About the Number

129681504

129681503 ← → 129681505

2進数表記:111101110101100100001100000

漢数字表記:一億二千九百六十八万千五百四

素因数分解:

2 5 × 3 2 × 29 1 × 15527 1

素因数の和:15572
約数の個数: 72
約数和(自身を含む): 381522960
約数和(自身を除く): 251841456

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2784, 4176, 8352, 15527, 31054, 46581, 62108, 93162, 124216, 139743, 186324, 248432, 279486, 372648, 450283, 496864, 558972, 745296, 900566, 1117944, 1350849, 1490592, 1801132, 2235888, 2701698, 3602264, 4052547, 4471776, 5403396, 7204528, 8105094, 10806792, 14409056, 16210188, 21613584, 32420376, 43227168, 64840752, 129681504]

約数ペア:
[(1, 129681504), (2, 64840752), (3, 43227168), (4, 32420376), (6, 21613584), (8, 16210188), (9, 14409056), (12, 10806792), (16, 8105094), (18, 7204528), (24, 5403396), (29, 4471776), (32, 4052547), (36, 3602264), (48, 2701698), (58, 2235888), (72, 1801132), (87, 1490592), (96, 1350849), (116, 1117944), (144, 900566), (174, 745296), (232, 558972), (261, 496864), (288, 450283), (348, 372648), (464, 279486), (522, 248432), (696, 186324), (928, 139743), (1044, 124216), (1392, 93162), (2088, 62108), (2784, 46581), (4176, 31054), (8352, 15527)]

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